Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1985-08-22
1987-01-13
Peshock, Robert
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433166, A61C 306
Patent
active
046361715
ABSTRACT:
A polishing tip for use on a mandrel driven by a dental engine includes a cylindrical hollow interior which frictionally engages the mandrel. The cylindrical configuration of the tip interior and the mandrel allows relative slippage if a predetermined torque is exceeded.
REFERENCES:
patent: 478881 (1892-07-01), Moore
patent: 2017881 (1935-10-01), Wiseman
patent: 3858368 (1975-01-01), Cocherell et al.
patent: 4185388 (1980-01-01), Jarby
patent: 4447208 (1984-05-01), Kawai
U.S. patent appln. Ser. No. 170,561, filed 7-21-80 by DuBe and May for "Dental Mandrel & Detachable Abrasive Disk".
Anderson David W.
Minnesota Mining and Manufacturing Company
Peshock Robert
Sell Donald M.
Smith James A.
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